TL;DR: GreyNoise uncovered the AyySSHush botnet infecting over 8,000 hosts, mainly ASUS routers, exploiting known bypass bugs to gain persistent SSH backdoor access that survives firmware updates.
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9,000 Asus routers compromised by botnet attack and persistent SSH backdoor that even firmware updates can't fix
Thousands of Asus routers have been compromised due to a newly discovered botnet called ‘AyySSHush.’ The stealth attack was detected in March 2025 by cybersecurity firm GreyNoise, which reportedly ...
Heads up if you have an Asus router in your home or office, as there's a backdoor exploit doing the rounds affecting 9,000 devices and counting. This event came to light by way of the security firm ...
A newly identified botnet called KadNap has compromised thousands of Asus routers worldwide by exploiting weaknesses in the devices’ remote-access features, turning ordinary home networking equipment ...
Security researchers at Greynoise first detected the exploit back in March, but held off on making it public until the industry had time to coordinate a response. GreyNoise has identified an ongoing ...
Joe Supan is a senior writer for CNET covering home technology, broadband, and moving. Prior to joining CNET, Joe led MyMove's moving coverage and reported on broadband policy, the digital divide, and ...
Modern device software and operating systems typically receive firmware updates over time with bug fixes and security patches. But when those devices hit end-of-life (EOL) status, and official support ...
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